The short Arctic summer is ending, and the reindeer are starting their winter migration. But this year, people have interfered with their journey. A high fence that goes on for miles is right in their path, and piles of giant pipes litter the landscape. The herd is trapped. If they don't get through, they will perish. Lars has an idea, but will it work? Back in print, fans of the Little Polar Bear books will delight in this exciting story with its important message about our impact on the environment.